<?php
class stTwitterList_model extends stmodel_2_1{

    public function __construct($config) {
        parent::__construct ( $config );
        $this->setTableName('st_twitter_list');
        $this->setPrimaryKey('id');
    }
    public function get_number($id){
        global $wpdb;
        return $wpdb->get_var("SELECT COUNT(*) FROM st_twitter_list WHERE in_reply_to_status_id_str='".$id."'");
        }



}